UV photofixation of molecular contamination: simulation of in-flight data

Emilie Vanhove; Jean-François Roussel; Virginie Inguimbert; Jean-Pierre Chardon

doi:10.1117/12.2238935

27 September 2016 UV photofixation of molecular contamination: simulation of in-flight data

Emilie Vanhove, Jean-François Roussel, Virginie Inguimbert, Jean-Pierre Chardon

Proceedings Volume 9952, Systems Contamination: Prediction, Control, and Performance 2016; 995207 (2016) https://doi.org/10.1117/12.2238935
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

Growing evidence was accumulated on the deleterious effects of the photofixation of contaminants on solar arrays power and on the optical properties of coatings. UV irradiation indeed promotes contamination accretion, even on surfaces on which condensation would not occur and strongly degrades the optical properties of contamination layers. Recent research conducted at ONERA enabled to implement a photofixation model in the numerical tool COMOVA. Present work aims at assessing the ability of this model to reproduce in-orbit cases and at estimating the sensitivity of the results to input parameters. Simulation results are reasonably close to the in-orbit degradations.

Citation Download Citation

Emilie Vanhove, Jean-François Roussel, Virginie Inguimbert, and Jean-Pierre Chardon "UV photofixation of molecular contamination: simulation of in-flight data", Proc. SPIE 9952, Systems Contamination: Prediction, Control, and Performance 2016, 995207 (27 September 2016); https://doi.org/10.1117/12.2238935

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